20950340

素因数分解:

$2^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{2333}}^1$

素因数の和:2791

約数の個数: 24

約数和(自身を含む): 44112600

約数和(自身を除く): 23162260

約数列:

[1, 2, 4, 5, 10, 20, 449, 898, 1796, 2245, 2333, 4490, 4666, 8980, 9332, 11665, 23330, 46660, 1047517, 2095034, 4190068, 5237585, 10475170, 20950340]

約数ペア:

[(1, 20950340), (2, 10475170), (4, 5237585), (5, 4190068), (10, 2095034), (20, 1047517), (449, 46660), (898, 23330), (1796, 11665), (2245, 9332), (2333, 8980), (4490, 4666)]